CN101577381A - Composite connector for memory cards - Google Patents

Abstract

The present invention provides a multi-connector that minimizes the portion of the substrate occupied by a plurality of memory cards with respect to the mounted substrate. Composite connector of the present invention has (21) on a main body at least the first, the 2nd memory card (24,25) these two kinds of card insertion ports that can be plugged in, and main body (21) has the first connecting body (27) and the 2nd connecting body (28) connected with 1 limit of the 1st connecting body (27), on the 1st connecting body (27), to form the 1st card insertion port (45) cover the conductive cover (22) for the 1st card in a manner, and cover the conductive cover (23) for the 2nd card in the manner of forming the 2nd card insertion port (53) on the body (28) for the 2nd connection. The outer surface of the conductive cover (22) for the first card serves as a sliding surface for the second memory card (25), and the sliding surface faces the second card insertion port (53).

Description

Combo connector for memory card

technical field

The present invention relates to a multi-connector for memory cards capable of supporting various types of memory cards of different sizes and shapes and reducing the occupied area of a mounting substrate as much as possible.

Background technique

7 and 8 show a multi-connector 11 mounted on a substrate 10, which is compatible with various memory cards of different sizes and shapes (Patent Document 1).

In the composite connector 11 shown in Figure 7, on the body 12, the lower connector 13 and the upper connector 14, which are all plugged in the horizontal direction, form a two-layer overlapping structure, and the first connector 13 is plugged and unplugged on the lower connector 13. The memory card 15 is inserted into the second memory card 16 in the direction perpendicular to the first memory card 15 on the upper layer connector 14 . When the first memory card 15 and the second memory card 16 are inserted into the multi-connector 11 with the electrode portion at the tip as the front end, about half of the part a and the part b protrude from the main body 12 .

In the composite connector 11 shown in FIG. 8 , on the body 12 , the lower layer connector 13 that is plugged in the horizontal direction and the upper layer connector 14 that is plugged in the vertical direction form a two-layer overlapping structure. 13, the first memory card 15 is plugged in and out in the horizontal direction, and on the upper connector 14, the second memory card 16 is plugged in and out in the vertical direction. Among them, in the state where the first memory card 15 is inserted into the multi-connector 11 with the electrode portion at the tip as the front end, about half of the portion a protrudes from the main body 12 . The second memory card 16 is fitted into the upper connector 14, and is held by an engaging member and a cover (both not shown).

Patent Document 1: JP-A-2001-297810

In the composite connector 11 shown in FIG. 7, after the first memory card 15 and the second memory card 16 are inserted into the lower connector 13 and the upper connector 14, about half a of the first memory card 15 and the second memory card 16 part and part b protrude from the body 12, so the protruding results in a larger first card substrate occupying portion 17 and a second card substrate occupying portion 18, which will cause the following problems: it is difficult to arrange other components on the mounting portion of the substrate 10, Or cannot set higher parts.

In the multi-connector 11 shown in FIG. 8, since the second memory card 16 omits the second card board occupying portion 18 among the first memory card 15 and the second memory card 16, the size of this part can be reduced. However, in this example, in the upper connector 14, the second memory card 16 is inserted and removed in the vertical direction, so the following problems can occur: the engaging/detaching mechanism for inserting and removing the second memory card 16 on the upper connector 14. The detachment mechanism becomes complicated, and a cover mechanism for restraining the second memory card 16 from above may be required in some cases, so that the structure becomes complicated.

Contents of the invention

An object of the present invention is to obtain a multi-connector that minimizes the portion of the board occupied by a plurality of memory cards with respect to the mounted board.

According to the multi-connector for memory card of the present invention, on a body 21, there is a multi-connector 20 that can insert and remove at least two types of cards, the first memory card 24 and the second memory card 25, and is characterized in that , the above-mentioned body 21 has a first connection body 27 and a second connection body 28 connected to one side of the first connection body 27. The first card insertion port 45 of the memory card 24 covers the first card with the conductive cover 22 in such a way that the gap is formed, and the outer surface of the first card with the conductive cover 22 is used as the sliding surface of the second memory card 25. The second connection body 28 is covered with the second card conductive cover 23 so as to maintain a gap for the second card insertion port 53 through which the second memory card 25 is inserted and removed.

According to the invention described in claim 1, one body has card insertion openings through which at least two types of cards, the first memory card and the second memory card, can be inserted and removed, and the above-mentioned body has a first connection body and a 1. The second connection body connected to one side of the connection body covers the first card with a conductive cover on the first connection body to maintain a gap as the first card insertion port. Cover the conductive cover for the second card with the main body to maintain a gap as the second card insertion port, use the outer surface of the conductive cover for the first card as the sliding surface of the second memory card, and make the sliding surface Facing the above-mentioned 2nd card slot. Therefore, it is possible to reduce the occupied portion of the mounted board as much as possible, and it is possible to provide a more compact memory card composite connector. In addition, it does not hinder the mounting of tall components on the substrate.

In the invention described in claim 2, one body has card insertion openings through which at least two types of cards, the first memory card and the second memory card, can be plugged in. The thin plate-shaped first connecting body, and the second connecting body connected to one side of the first connecting body in a stepped manner, the first card consisting of a top plate portion, a side plate portion, and a back plate portion Cover the upper surface of the above-mentioned first connecting body with a conductive cover, make the gap between the top plate portion of the first card conductive cover and the above-mentioned first connecting body serve as the first card insertion port, and use the top plate portion, side The second card with a conductive cover made of a plate portion and a back plate portion is covered on the above-mentioned second connection body, so that the gap between the top plate portion of the second card conductive cover and the above-mentioned second connection body is defined as In the second card insertion port, the top plate portion of the conductive cover for the first card is used as a sliding surface of the second memory card, and the sliding surface faces the second card insertion port. Therefore, it is possible to use the body composed of the first connecting body and the second connecting body, the first card conductive cover consisting of the top plate, the side plates, and the back plate, and the top plate, the side plates, the back The second card constituted by the board part is constituted by a small number of parts with the conductive cover as the main body. Furthermore, the assembly of attaching the first card conductive cover and the second card conductive cover to the main body is extremely easy.

In the invention described in claim 3, the first connection body is made of a rectangular thin plate, and the first card electrode of the first memory card is embedded and fixed in the interlocking hole penetrating through the first connection body. A contact mounting plate for connecting a plurality of first contacts, a first card insertion port is provided on the long side of the first connection body, and a second card insertion port is provided on the short side of the first connection body. mouth. Therefore, automation of assembly is easily realized.

In the invention described in claim 4, the contact mounting plate embedded in the interfitting hole of the first connecting body is fixed by pressing the connecting plate into the connecting groove formed continuously with the first connecting body and the contact mounting plate . Therefore, the contact mounting plate can be easily and surely mounted in the fitting hole of the first connecting body.

In the invention described in claim 5, one body has card insertion ports for plugging three types of cards, the first memory card, the second memory card, and the third memory card, and it is characterized in that the body has a first connection body , the second connection body and the third connection body respectively connected to one side of the first connection body cover the first connection body to maintain a gap as the first card insertion port on the first connection body. The conductive cover for the card, the outer surface of the conductive cover for the first card is used as the sliding surface of the two kinds of the second memory card and the third memory card, between the second connection body and the third connection body The upper surface covers the conductive cover for the second card and the conductive cover for the third card so as to maintain a gap between the second card insertion port and the third card insertion port. Therefore, it is possible to support three types of memory cards by stacking two layers.

In the invention described in claim 6, one body has card insertion ports for plugging three types of cards, the first memory card, the second memory card, and the third memory card, and the above-mentioned body has a first connection body , the second connection body connected to one side of the first connection body, and the third connection body connected to one side of the second connection body are held on the first connection body as The conductive cover for the first card is covered with the gap of the first card insertion port, and the conductive cover for the second card is covered with the gap of the second card insertion port on the above-mentioned second connection body. 3. Cover the conductive cover for the third card on the connection body so as to maintain a gap as the third card insertion port, and use the outer surface of the conductive cover for the first card as the sliding surface of the second memory card. The sliding surface faces the second card insertion opening, and the outer surface of the conductive cover for the second card is used as the sliding surface of the third memory card, and the sliding surface faces the third card insertion opening. Therefore, it is possible to use two stacks to correspond to three types of memory cards.

Description of drawings

Fig. 1 is a perspective view showing Embodiment 1 of a composite connector for a memory card according to the present invention.

Fig. 2 is a longitudinal sectional view of Fig. 1 .

Fig. 3 is an exploded perspective view showing Embodiment 1 of the composite connector for memory cards of the present invention.

Fig. 4 is an exploded perspective view of Embodiment 1 of the composite connector for memory card according to the present invention viewed from below.

Fig. 5 is a perspective view showing Embodiment 2 of the composite connector for memory cards according to the present invention.

Fig. 6 is a perspective view showing Embodiment 3 of the multi-connector for memory cards according to the present invention.

Fig. 7 is a perspective view showing an example of a conventional multi-connector for a memory card.

Fig. 8 is a perspective view showing another example of a conventional multi-connector for a memory card.

Symbol Description

10-substrate, 11-composite connector, 12-body, 13-lower connector,

14-Upper connector, 15-1st memory card, 16-2nd memory card,

17-1st card substrate occupied part, 18-2nd card substrate occupied part, 20-composite connector,

21-main body, 22-conductive cover for the first card, 23-conductive cover for the second card,

23a-conductive cover for the second card, 23b-conductive cover for the third card, 24-first memory card

25-the second memory card, 25a-the second memory card, 25b-the third memory card, 26-phase embedded hole,

27-1st connecting body, 27a-contact mounting plate, 28-2nd connecting body,

29-engagement groove, 30-first contact, 31-contact part, 32-terminal part, 33-spring part,

34-Engaging groove, 35-Second contact, 36-Contact part, 37-Terminal part, 38-Spring part,

39-top board, 40-side board, 41-back board, 42-back fold, 43-pull out incision,

44-Push out the cutout, 45-The 1st card inserts the opening, 46-The 1st card uses the arrow,

47-arrow for the second card, 48-top board, 49-side board, 50-back board,

51-connection window, 52-folding piece, 53-the second card insertion port, 54-switch contact,

55-switch contact, 56-press into the groove, 57-press into the groove, 58-contact part, 59-contact part,

60-connection plate, 61-connection ditch, 62-connection ditch, 63-connection ditch, 64-first card electrode,

65-the electrode of the second card, 66-the step part.

Detailed ways

The present invention is a composite connector with a card insertion port 21 that can plug at least two types of cards, the first memory card 24 and the second memory card 25, on a body. The body 21 has a first connection body 27 and a body 27. The second connection body 28 connected to one side of the first connection body 27 covers the first card with the conductive material 28 on the first connection body 27 to maintain a gap as the first card insertion port 45. The cover 22 uses the outer surface of the conductive cover 22 for the first card as the sliding surface of the second memory card 25, and is held on the second connection body 28 continuous with the sliding surface as the second card insertion port 53. The conductive cover 23 for the second card is covered with a gap.

Specifically, the above-mentioned main body 21 has a thin-plate-shaped first connection body 27 approximately the same size as the first memory card 24, and a second connection body 27 connected to one side of the first connection body 27 by a stepped portion 66. The main body 28, the first card conductive cover 22 made of the top plate portion 39, the side plate portion 40, and the back plate portion 41 is covered on the above-mentioned first connecting body 27, so that the above-mentioned top plate portion 39 is connected to the above-mentioned first connecting. A gap is formed between the main bodies 27 as the first card insertion opening 45, and the second card conductive cover 23 composed of the top plate portion 48, the side plate portion 49, and the back plate portion 50 covers the upper surface of the second connection body 28. A gap is formed between the above-mentioned top plate part 48 and the above-mentioned second connection body 28 as the second card insertion opening 53, and the outer surface of the first card conductive cover 22 is used as the outer surface of the second memory card 45. The sliding surface is connected to the upper surface of the second connecting body 28 .

The first connecting body 27 is made of an insulating rectangular thin plate such as plastic. In the interlocking hole 26 penetratingly arranged on the body 27 of the first connection, the contact mounting plate of a plurality of first contacts 30 connected with the first card electrode 64 of the first memory card 24 is embedded and fixedly installed. 27a, the first card insertion port 45 is provided on the long side of the first connection body 27, and the second card insertion port 53 is provided on the short side of the first connection body 27.

The contact mounting plate 27a embedded in the fitting hole 26 of the first connecting body 27 is formed by pressing the connecting plate 60 into the connecting grooves 61, 62, 63 formed on the first connecting body 27 and the contact mounting plate 27a. Come fixed.

When constituting the composite connector 20 in which three kinds of memory cards 24, 25a, 25b can be plugged and pulled out on one body 21, the outer surface of the first card conductive cover 22 can be used as the second memory card 25a and the third memory card. 25b These two types of sliding surfaces.

When constituting the composite connector 20 in which three kinds of memory cards 24, 25a, 25b can be inserted and removed from one body, the outer surface of the conductive cover for the first card is used as the sliding surface of the second memory card, and the second card is used as the sliding surface of the second memory card. By using the outer surface of the conductive cover as the sliding surface of the third memory card, it is possible to correspond to three types of memory cards.

[Example 1]

Embodiment 1 of the present invention will be described below with reference to FIGS. 1 to 4 .

The multi-connector 20 of the present invention mounted on the substrate 10 has: a thin plate-shaped body 21, and the first card is covered on the body 21 in such a manner as to hold the first card insertion port 45 inserted into the first memory card 24. The conductive cover 22 for the second card covers the conductive cover 23 for the second card on the end of the conductive cover 22 for the first card so as to hold the second card insertion port 53 inserted into the second memory card 25 .

The above-mentioned main body 21 is made of a rectangular insulating thin plate such as plastic, and has approximately the same size as the first memory card 24, only slightly larger. A rectangular fitting hole 26 is formed in the center of the main body 21 , and a second connection main body 28 is integrally formed on one short side of the main body 21 to form a stepped portion 66 . A plurality of engaging grooves 34 are formed at predetermined intervals in the second connecting body 28 . On the back side of above-mentioned main body 21, as shown in Figure 4, form press-in groove 56,57, insert and fix the switch contact 54,55 that has contact portion 58,59, and to face above-mentioned interlocking hole 26 both sides The connection grooves 62 and 63 are formed in this way.

The contact mounting plate 27a fitted into the fitting hole 26 is made of a rectangular insulating thin plate such as plastic, and a plurality of engaging grooves 29 are formed on both sides, and the first contacts 30 are respectively fitted into these engaging grooves 29 . The first contact 30, as shown in FIGS. 2 and 3, has a contact portion 31 protruding from the upper surface of the contact mounting plate 27a of the first connecting body 27, a terminal portion 32 protruding from the lower surface of the contact mounting plate 27a, The spring portion 33 fits into the engagement groove 29 . On the back side of above-mentioned contact mounting plate 27a, as shown in Figure 4, form the connecting groove 61 that is connected with above-mentioned connecting groove 62,63, after inserting connecting plate 60, contact mounting plate 27a and the first connecting body 27 phase The embedding holes 26 are embedded and fixed.

The second contacts 35 are respectively fitted into the engaging grooves 34 . The second contact 35 has, as shown in FIGS. snap-on spring portion 38 .

The above-mentioned first card conductive cover 22 is made of a conductive metal plate or the like. When covering, one long side on the upper surface of the above-mentioned main body 21 is used as the first card insertion opening 45, and is bent to have a top plate portion 39 and a side plate portion 40. And the back plate part 41. A pull-out notch 43 is cut and formed on the first card insertion port 45 side of the top plate portion 39 , and a push-out notch 44 is cut and formed on the back plate portion 41 side. In addition, the lower end of one side plate portion 40 and the lower end portion of the back plate portion 41 are integrally formed with a folded piece 42 for fixing on the first connecting body 27 . When the other side plate portion 40 is installed facing the stepped portion 66 of the second connecting body 28 , the upper surface of the top plate portion 39 is the same as the upper surface of the second connecting body 28 .

On the top surface of the top plate portion 39 are arrows 46 for the first card indicating the direction in which the first memory card 24 is inserted and arrows 47 for the second card indicating the direction in which the second memory card 25 is inserted.

Above-mentioned the 2nd card uses conductive cover 23 to be made of conductive metal plate etc., and when covering, make above-mentioned 2nd connection use body 28 top 1 long side as the 2nd card insertion opening 53, be bent and be formed to have top plate part 48, side plate portion 49 and back plate portion 50 . On the top plate portion 48 , corresponding to the engaging groove 34 , a connecting window 51 is formed through, and the lower end of the side plate portion 40 is integrally formed with a folded piece 52 for fixing to the second connecting body 28 .

Next, the assembly of the components of the above-mentioned structure will be described.

On each engagement groove 29 of the contact mounting plate 27a in the first connection body 27, insert the first contact 30, and press the connecting plate 60 into the connecting groove 61 of the contact mounting plate 27a from the back and connect with the first contact. The contact mounting plate 27 a is fixedly attached to the first connecting body 27 by using the connecting grooves 62 and 63 of the main body 27 .

The first card conductive cover 22 is covered on the first connection body 27, and the folded piece 42 is bent and fixed. Then, the first card insertion opening 45 is formed between the upper surface of the first connecting body 27 and the top plate portion 39 of the first card conductive cover 22 .

The second contact 35 is fitted into the engaging groove 34 of the second connection body 28 , the second card conductive cover 23 is covered on the second connection body 28 , and the folded piece 52 is bent and fixed. Then, the second card insertion opening 53 is formed between the upper surface of the second connecting body 28 and the top plate portion 48 of the second card conductive cover 23 .

According to the method described above, the assembled composite connector 20 shown in FIG. The terminal portion, the first card conductive cover 22 and the ground terminal portion of the second card conductive cover 23 are electrically and mechanically connected to the printed wiring portion formed on the substrate 10 .

In Fig. 1, after the first memory card 24 is inserted into the first card insertion port 45 along the direction of the first card arrow 46, the first card electrode 64 on the bottom of the first memory card 24 and the contact portion 31 of the first contact 30 electrical connection. When pulling out the first memory card 24, the first memory card 24 is roughly the same as the first connection body 27, and is almost completely accommodated in the first card insertion port 45, so put your fingers on the pull-out notch 43 and the push-out notch 44 , and push out the first memory card 24 .

When the 2nd memory card 25 is inserted into the 2nd card insertion port 53, the top plate portion 39 of the conductive cover 22 for the 1st card doubles as a sliding plate, so if the mode of sliding on it is along the direction of the arrow 47 for the 2nd card, When it is pushed in, the second card electrode 65 on the lower surface of the top of the second memory card 25 is electrically connected to the contact portion 36 of the second contact 35 . When pulling out the second memory card 25, since a part of the second memory card 25 is exposed from the second card conductive cover 23, put fingers on both sides of the second memory card 25 and pull out the second memory card 25.

When the first memory card 24 and the second memory card 25 are inserted into the multi-connector 20 at the same time, the conductive cover 22 for the first card prevents crosstalk between the two and also prevents external noise from entering.

Example 2

In Embodiment 1, one conductive cover 23 for a second card is provided on the conductive cover 22 for a first card, and the second memory card 25, which is one type of card, is slidably inserted and removed. However, it is not limited thereto. When the size of the second memory card 25 is smaller than that of the first memory card 24, as shown in FIG. The second connection body 28b covers and installs the second card conductive cover 23a and the third card conductive cover 23b on the second connection body 28a and the second connection body 28b respectively, and the conductive cover 23b for the first card is installed on the first card. The second memory card 25a and the third memory card 25b are inserted and removed by sliding on the cover 22 .

Example 3

In Embodiment 1, one second card conductive cover 23 is provided on the first card conductive cover 22, and the second memory card 25, which is one type of card, is slidably inserted and removed. In Embodiment 2, the first connection body 27 is provided with a second connection body 28a and a second connection body 28b at both ends of the body 27, on which the second card conductive cover 23a and the third card are respectively covered and installed. The second memory card 25a and the third memory card 25b are inserted and removed by sliding on the first card conductive cover 22 using the conductive cover 23b.

However, it is not limited to this. When the size of the card is first memory card 24>second memory card 24a>third memory card 24b, as shown in FIG. 1. The second connection body 28a connected to one side of the first connection body and the third connection body 28b connected to one side of the second connection body 28a are connected to the first connection body 27 Cover the conductive cover 22 for the first card on the top to maintain a gap as the first card insertion port 45, and use the outer surface of the conductive cover 22 for the first card as the sliding surface of the second memory card 25, and The above-mentioned second connecting body 28a continuous with the sliding surface covers the second card conductive cover 23a so as to maintain a gap as the second card insertion port 53a, and the outer surface of the second card conductive cover 23a is closed. As the sliding surface of the third memory card 25b, the third card conductive cover 28b is covered on the upper surface of the third connection body 25b continuous with the sliding surface to maintain a gap as the third card insertion port 53b. , forming a 3-layer structure. With such a structure, the second memory card 25a can be slid and inserted on the first card conductive cover 22, and the third memory card 25b can be slid on and removed from the second card conductive cover 23a.

Claims (6)

1. A composite connector for a memory card, which has a card insertion port for at least two types of cards, the 1st memory card and the 2nd memory card, on a body, wherein the body has a body for the first connection With the second connection body connected to one side of the first connection body, the first card conductive cover is covered on the first connection body to maintain a gap as the first card insertion port. The above-mentioned 2nd connecting body covers the conductive cover for the 2nd card in the manner of maintaining the gap as the 2nd card insertion port, and the outer surface of the conductive cover for the 1st card is used as the sliding surface of the 2nd memory card, Make this sliding surface face the above-mentioned 2nd card insertion opening. 2. A composite connector for a memory card, which has card insertion openings for at least two types of cards, the first memory card and the second memory card, on one body, and is characterized in that the above-mentioned body has a size similar to that of the first memory card. A thin plate-shaped first connection body that is substantially the same as the memory card, and a second connection body that is connected to one side of the first connection body in a manner that forms a stepped portion, are composed of a top plate portion, a side plate portion, and a back plate portion. The formed first card is covered with a conductive cover on the above-mentioned first connection body, and the gap between the top plate portion of the first card conductive cover and the first connection body is used as the first card insertion port, The second card conductive cover made of top plate, side plate and back plate is covered on the above-mentioned second connection body, and the top plate part of the second card conductive cover is connected to the second connection body. The gap between them is used as the second card insertion port, and the top plate portion of the conductive cover for the first card is used as the sliding surface of the second memory card, and the sliding surface faces the second card insertion port. 3. The memory card composite connector according to claim 1 or 2, wherein the first connecting body is made of a rectangular thin plate, and in the interlocking hole penetrating through the first connecting body, A contact mounting plate for a plurality of first contacts connected to the first card electrode of the first memory card is embedded and fixedly installed, and a first card insertion port is provided on the long side of the first connecting body, and the A second card insertion port is provided on the short side of the first connecting body. 4. The composite connector for memory card according to claim 3, characterized in that, the contact mounting plate embedded in the interfitting hole of the first connecting body is formed by pressing the connecting plate into the first connecting body and the first connecting body. It is fixed in the connection groove formed continuously on the contact mounting plate. 5. A composite connector for a memory card, which has card insertion ports for pluggable 1st memory card, 2nd memory card and 3rd memory card on a body, it is characterized in that the above-mentioned body has a first 1 connection body, a second connection body and a third connection body respectively connected to one side of the first connection body, on the first connection body to maintain a gap as the first card insertion port cover the conductive cover for the first card, and use the outer surface of the conductive cover for the first card as the sliding surface of the second memory card and the third memory card, between the second connection body and the third memory card. The upper surface of the connecting body covers the second card conductive cover and the third card conductive cover so as to maintain a gap between the second card insertion port and the third card insertion port. 6. A composite connector for a memory card, which has card insertion openings for three types of cards, the first memory card, the second memory card and the third memory card, on a body, and is characterized in that the body has a first 1 connection body, a second connection body connected to one side of the first connection body, a third connection body connected to one side of the second connection body, and the above-mentioned first connection body The conductive cover for the first card is covered on the top to maintain a gap as the first card insertion port, and the conductive cover for the second card is covered on the above-mentioned second connection body to maintain a gap as the second card insertion port. , on the above-mentioned 3rd connecting body, cover the conductive cover for the 3rd card in the manner of maintaining the gap as the 3rd card insertion port, and use the outer surface of the conductive cover for the 1st card as the sliding part of the 2nd memory card. Face, make this sliding surface face above-mentioned 2nd card insertion opening, make the outer surface of above-mentioned 2nd card use conductive cover as the sliding surface of above-mentioned 3rd memory card, make this sliding surface face above-mentioned 3rd card insertion opening.

Images